Kenji, the second son of a family of three brothers, was always seen as an easygoing child by his mother, Megumi. However, one spring, his older brother started working and living alone, while his younger brother went to a dormitory university. With his father away on a solo business trip, life took a sudden turn, leaving Kenji and Megumi to live as a mother-son duo. The once lively house became eerily quiet, leaving Megumi feeling a sense of loss. Witnessing her mother's melancholic state, Kenji felt a pang of jealousy and emptiness, determined to reclaim the motherly affection he had never fully possessed...